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Concentration of Risks (Tables)

12 Months Ended

Dec. 31, 2022

Customer Concentration Risk [Member]

Concentration Risk [Line Items]

Summary of External Customers with 10% or More of Group's Revenues

External customers with 10% or more of the Group’s revenues are:

For the year ended December 31,

2020

2021

2022

RMB

RMB

RMB

US$

Customer

A

22,655

*

*

*

B

92,331

*

*

*

C

24,071

7,080

*

*

D

*

19,646

*

*

E

*

*

9,217

1,336

F

*

*

5,611

814

G

*

*

4,630

671

Supplier Concentration Risk [Member]

Concentration Risk [Line Items]

Summary of External Customers with 10% or More of Group's Revenues

Suppliers accounting for 10% or more of total purchases of materials were:

As of December 31,

2021

2022

RMB

RMB

US$

Supplier

A

7,807

3,056

443

B

8,405

*

*

C

7,596

*

*

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

+ References

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